Expire page from cache

from django.core.cache import cache
from django.http import HttpRequest
from django.utils.cache import get_cache_key

def expire_page(path):
    request = HttpRequest()
    request.path = path
    key = get_cache_key(request)
    if cache.has_key(key):   
        cache.delete(key)

http://djangosnippets.org/snippets/936/